subscription

this code help in managing the subscription process for a desktop app as follow :

  • collect some data from user

subscription

subscription period :
- 1 month 
- 6 months 
- 1 year

then the app create a unique SERIAL-NUMBER depend on these info and with MAC address to make the SERIAL-NUMBER unique for each PC

the App send a mail to me with the serial-number as follow:

mail

then the app show an ASSERTION window of subscription to user to insert SERIAL-NUMBER That i give him it after contact me on WhatsApp as follow:

ASSERION-SUBSCRIPTION

if serial not-valid will show as follow:

ERROR

when the user insert a valid serial number the main app window will open as shown:

ASSERION-SUBSCRIPTION

if the subscription end the subscription window open and repeat the whole process again